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Finding the Fourth Proportional to 394,629.17, 544,459.12 and 241,507.68

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Solution

The fourth proportional to 394,629.17, 544,459.12 and 241,507.68 is: 333,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,629.17 : 544,459.12 = 241,507.68 : x
  2. Step 2: Convert to fraction form
    394,629.17/544,459.12 = 241,507.68/x
  3. Step 3: Cross multiply
    394,629.17x = 544,459.12 × 241,507.68
  4. Step 4: Simplify right side
    394,629.17x = 131,491,056,280.55
  5. Step 5: Solve for x
    x = 131,491,056,280.55/394,629.17
  6. Step 6: Final answer
    x = 333,201.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.